d - 200 mm

D - 250 mm

B - 24 mm

C - 24 mm

r min. - 1,5 mm

da min. - 208 mm

Da max. - 242 mm

ra max. - 1,5 mm

Weight - 2,7 Kg

Basic dynamic load rating (C) - 78 kN

Basic static load rating (C0) - 93,6 kN

(Grease) Lubrication Speed - 2300 r/min

(Oil) Lubrication Speed - 2700 r/min

Calculation factor (f0) - 16,1

• Model Number: 6840
• Inner Diameter：200mm Outer Diameter：250mm Width：24mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-17
• Application:cooling system,Doppler,comprehensive experiment,ventilation equipment,packaging machinery,Industrial,,mechanical annex,electronic materials,large agricultural machinery,power source
• Similar models:NSK 6840 CYSD 6840-RS CYSD 6840 CYSD 6840-Z CYSD 6840-2RZ CYSD 6840-RZ CYSD 6840N CYSD 6840-ZZ NTN 6840 NTN 6840ALLU
• BEARING POWER International Trading Co.,Ltd. specialize in 6840 products，there is large inventory of KOYO 6840 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 6840 Which KOYO 6840 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  1987/1932	26,975	58,738	19,05	Timken	Tapered Roller Bearings
  6030-ZZ	150	225	35	CYSD	Deep Groove Ball Bearings
  63010-2RS	50	80	23	ISB	Deep Groove Ball Bearings
  665/652	85,725	152,4	41,275	Timken	Tapered Roller Bearings
  6906	30	47	9	NSK	Deep Groove Ball Bearings
  697	7	17	5	FBJ	Deep Groove Ball Bearings
  7228C	140	250	42	NACHI	Angular Contact Ball Bearings
  GE 150 XS K	150	220	120	ISB	Plain Bearings
  NF3080	400	600	148	ISO	Cylindrical Roller Bearings
  NJ2312	60	130	46	FBJ	Cylindrical Roller Bearings
  NKIA 5911	55	80	34	CX	Complex Bearings
  NU238-E-MA6	190	340	55	NKE	Cylindrical Roller Bearings
  SY 20 TF/VA228	32	20	22	SKF	Bearing Units
  MM-6	.3750		.5000	Aurora	ROD ENDS
  NNTR130x310x146-2ZL	130	310	146	INA	YOKE TYPE TRACK ROLLER
  21405-00	.3125	.8750	.2812	General	DEEP GROOVE BALL BEARINGS
  RF-1960ZZ	6	19	6	NMB	DEEP GROOVE BALL BEARINGS
  63/28	28	68	18	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  NK-21/20	29		20	CONSOLIDATED	NEEDLE BEARINGS
  RNA-4868	420		80	CONSOLIDATED	NEEDLE BEARINGS